BT8222EPFF CONEXANT [Conexant Systems, Inc], BT8222EPFF Datasheet - Page 122
BT8222EPFF
Manufacturer Part Number
BT8222EPFF
Description
ATM Transmitter/Receiver with UTOPIA Interface
Manufacturer
CONEXANT [Conexant Systems, Inc]
Datasheet
1.BT8222EPFF.pdf
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3.0 Registers
3.7 Status Register Overview
0x39—EVENT_STATUS (Event Interrupt Status Register)
The EVENT_STATUS register is located at address 0x39 and has receiver status conditions.
3-36
15
14–13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit
Field
Size
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Receiver Hold Input
Reserved
APS Event
TxUTOPIA Sync
Error
FIFO Port 3 Input
Parity Error
FIFO Port 2 Input
Parity Error
FIFO Port 1 Input
Parity Error
FIFO Port 0 Input
Parity Error
Idle Cells
Non-matching Cells
Non-zero GFC
Payload Length
Error
Payload CRC Error
HEC Error-Not
Corrected
HEC
Error-Corrected
Name
Indicates that an active-high input was received on the RCV_HLD input pin.
Set to 0.
Set when the received value of the K1 or K2 byte changes in the SONET frame.
This error indicates that the transmit UTOPIA SOC from the host interface is out of
sync with the UTOPIA FIFO Pointers.
FIFO Port 3 parity error. This status bit and associated interrupt will be active only if
input parity checking is enabled in CONFIG_3.
FIFO Port 2 parity error. This status bit and associated interrupt will be active only if
input parity checking is enabled in CONFIG_3.
FIFO Port 1 parity error. This status bit and associated interrupt will be active only if
input parity checking is enabled in CONFIG_3.
FIFO Port 0 parity error. This status bit and associated interrupt will be active only if
input parity checking is enabled in CONFIG_3.
Set if the header of an incoming cell matches the header value programmed in the
RX_IDLE and IDLE_MSK registers.
Set if the header of an incoming cell does not match any of the header values
programmed in the HDR_VALx and HDR_MSKx registers.
Set if the 4-bit GFC field of an incoming cell header is any value other than 0000.
Set if an error is detected in the 6-bit payload length field of the cell trailer. This
event is meaningful only for AAL3/4 payloads that contain a payload length.
Set if an error is detected in the 10-bit payload CRC of the cell trailer. This event is
meaningful only for AAL3/4 payloads that contain a payload CRC.
Set if an uncorrectable error is detected in the HEC octet of the cell header.
Set if an error is detected and corrected in the HEC octet of the cell header.
Conexant
ATM Transmitter/Receiver with UTOPIA Interface
Description
CN8223
100046C
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